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Bone chapter (nontumor and tumor)
Osteosarcoma - variants
Low grade intraosseous (central) osteosarcoma

Reviewer: Nat Pernick, M.D. (see Reviewers page)
Revised: 12 August 2013, last major update June 2005
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.

General
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Xray description
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Radiology images
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Xray - contributed by Dr. Mark R. Wick

Distal femur xray - contributed by Dr. Mark R. Wick

Case reports
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Treatment
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Gross description
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Gross images
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Contributed by Dr. Mark R. Wick

Micro description
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Micro images
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Case report above with pagetoid features-

Heavy irregular bony trabeculae

Coalescing plates of tumor bone

Mosaic pattern of cement lines resembling Pagetís disease

Figure 6a: low grade features with cement lines in adjacent bone; 6b: high grade features of dedifferentiated tumor



Contributed by Dr. Mark R. Wick

Positive stains
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Differential diagnosis
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End of Bone chapter (nontumor and tumor) > Osteosarcoma - variants > Low grade intraosseous (central) osteosarcoma


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